Change your United Airlines flight with a Touriyo agent

• Economy / Economy Plus / premium cabins, domestic U.S., PR, USVI; U.S., Mexico; U.S., Caribbean; international originating in the U.S.: USD 0 (fare difference applies)
• Basic Economy, all: changes not permitted (cancel and rebook, or upgrade to Economy first)
• all, same-day flight change: up to USD 75 per traveler depending on Premier status
• award tickets, all: 0 (no redeposit fee)
• all, ticketing with a United agent (50 U.S. states and Canada): USD 25 by phone / 30 City Ticket Office / 50 at the airport
• Right after booking: United calls it the '24-hour booking policy'.: 'With our 24-hour booking policy you can cancel your reservation within 24-hours of buying your ticket for a full refund without paying a fee.

You may be able to change your flight with United if you made your reservation with a travel agent or another third party. However, there may be a fee in addition to the applicable change fee. We recommend checking with the third party first.' Refund policy: 'If you purchased your ticket through a travel agency, your refund will be issued to the form of payment the agency used when booking your ticket. You will receive your refund directly from the travel agency. Please contact them with any questions about your refund.' Travel credits: 'What if I have a travel credit issued for a flight originally booked through a travel agency? You can still use your credit, but you'll need to do it through the travel agency you used to book the original flight.' 24-hour policy applies when 'booking it directly with United'.